Aurora D-Series Double Row lightbars are THE BEST & Toughest 5 watt Double row lightbar currently on the market, The quality of these lights from output to build quality and warranty backup is Second to none.

please view the manufacturers testing video http://youtu.be/IXw-8Ad1sm0 for more details and the strenuous testing they put these lights through to ensure they are only the best in the world.